Supplement to Department Order No. 52 Delineating the Functional Areas of Responsibility of DPWH Officials. Category: Department OrderSub Category: areas-responsibilities-authority-designationSeries: 1988No: 1File: DO_001_S1988.pdfDate: Monday, January 4, 1988Tags: D.O 52 Delineating Functional Areas Responsibility Officials 001 Read more about Supplement to Department Order No. 52 Delineating the Functional Areas of Responsibility of DPWH Officials.